g(t) 5.1t+75·t-2.9 g(t) 105 2050750625025 30.50.62505630.1 roos(0,1,g)=40.563|06250.594063 505940625 60.594060906020016 9060706090608000 125 32750. 2151751625025 32875025 316251.751 B3|275|2875|2813 roos(1,2,g)=41.6881751719063 roots(2, 3, g) 275281327810.063 517191751.7340031 2.7527812.7660031 617191.73417270016 62766278127730.016 1.719172717230008 2.76627732.770008 817191.72317210004 8277|2.773|2.7710.004 9|1.7191.7211.7200021 2772.7712.771000 f(t):1.3·t-26.013·t-+0.975t-19.50975 f(t)g(t) t 3 5.1 t 2 := - × + 7.5×t - 2.9 0 5 10 10 g(t) t roots(0, 1,g) 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 0.5 1 0.5 1 0.75 0.5 0.5 0.75 0.625 0.25 0.5 0.625 0.563 0.125 0.563 0.625 0.594 0.063 0.594 0.625 0.609 0.031 0.594 0.609 0.602 0.016 0.602 0.609 0.605 0.008 0.605 0.609 0.607 0.004 0.607 0.609 0.608 0.002 = roots(1, 2,g) 0 1 2 3 0 1 2 3 4 5 6 7 8 9 1 2 1.5 1 1.5 2 1.75 0.5 1.5 1.75 1.625 0.25 1.625 1.75 1.688 0.125 1.688 1.75 1.719 0.063 1.719 1.75 1.734 0.031 1.719 1.734 1.727 0.016 1.719 1.727 1.723 0.008 1.719 1.723 1.721 0.004 1.719 1.721 1.72 0.002 = roots(2, 3,g) 0 1 2 3 0 1 2 3 4 5 6 7 8 9 2 3 2.5 1 2.5 3 2.75 0.5 2.75 3 2.875 0.25 2.75 2.875 2.813 0.125 2.75 2.813 2.781 0.063 2.75 2.781 2.766 0.031 2.766 2.781 2.773 0.016 2.766 2.773 2.77 0.008 2.77 2.773 2.771 0.004 2.77 2.771 2.771 0.002 = f(t) 1.3 t 3 × 26.013 t 2 := - × + 0.975×t - 19.50975 10 0 10 20 2000 f(t) t